Cousins Island is a CDP located in Cumberland County, Maine. Cousins Island has a 2025 population of 508 . Cousins Island is currently growing at a rate of 0.4% annually but its population has decreased by -2.5% since the most recent census, which recorded a population of 521 in 2020.
The average household income in Cousins Island is $197,458 with a poverty rate of 0%. The median age in Cousins Island is 59.9 years: 62.1 years for males, and 59.5 years for females. For every 100 females there are 95.0 males.
Data after 2023 is projected based on recent change
The racial composition of Cousins Island includes 91.75% White, and smaller percentages for Native American and multiracial populations.
White (91.75%)
Two or more races (5.7%)
Native American (2.55%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 467 | 91.75% |
| Two or more races | 29 | 5.7% |
| Native American | 13 | 2.55% |
Married
Widowed
Divorced
Separated
Never Married
Cousins Island's average per capita income is $0. Household income levels show a median of $121,250. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Households | $121,250 | $197,458 |
| Families | - | $203,483 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate